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Cavernous Star Coral
Photo: Cavernous star coral
WALLPAPER
Coral and sea anemones are in the same family of stinging invertebrates. This close-up of a cavernous star coral shows the individual polyps, which resemble tiny sea anemones.
Photograph courtesy Florida Keys National Marine Sanctuary/NOAA
Coral Profile Page

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Hawaii's Outer Kingdom

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Virtual World: Barrier Reef

Bring your scuba gear and take a virtual trip to Australia to see the amazing diversity of species on the Great Barrier Reef.

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Vibrant New Reefs Found Off Brazil

The largest coral reef system in the southern Atlantic is twice as big as previously estimated, and it's teeming with life, experts announced.

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